| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fixture capable of preventing fire spread from a clearance gap between the door end of a door and a vertical frame. <P>SOLUTION: The fixture includes a frame 1, a door 2 closably supported on the frame 1, and a thermal expansive refractory material 49 to be foamed by the heat of a fire. The door 2 has a smoke guide 27 on the outdoor side of the door end part, the frame 1 has a protruded part 26 at a position near the outdoor side of the inner periphery side depth face of a vertical frame 5 on the door end side in opposition to the smoke guide 27, and the thermal expansive refractory material 49 is laid between depth faces 10a, 5a of the door 2 and the vertical frame 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
